Modern Xiaomi TVs (Mi TV A Pro, Mi TV Q2, Redmi Smart TV, and others) support several ways to wirelessly and wired sync with smartphones, which allows you to stream videos, games, presentations, or even completely duplicate the phone screen on the big screen, but not everyone knows how to set up a connection correctly โ especially if we are talking about models with MIUI 14+ or TVs on Google TV (for example, Xiaomi TV A2 2026).
In this article, we will break down all the current sync methods (including hidden features), compare them in speed, stability and supported formats, and provide solutions for common errors like โno sound when broadcastingโ or โimage delay.โ The instructions are universal for Xiaomi, Redmi, POCO and other Android 10+ brands. If you have an iPhone, at the end of the article there is a separate section with nuances for iOS.
1. Methods of synchronization: which one to choose?
The choice of method depends on your task:
- ๐ฎ For games and videos with minimal delay โ HDMI-Wireless connection (wireless) or Miracast (wireless).
- ๐ฑ For screen duplication (calls, social networks, presentations) โ Wi-Fi Direct or Google Cast.
- ๐ For listening to music โ Bluetooth (but no video).
- ๐ Smart Home Management โ Mi Home (for compatible TVs only).
Below is a comparative table of methods taking into account the delay, maximum resolution and power consumption of the phone:
| Method | Delay (MS) | Max, permission. | Energy consumption | Need a router? |
|---|---|---|---|---|
| HDMI (wire) | 10โ20 | 4K@60Hz | Low. | No. |
| Miracast | 30โ80 | 4K@30Hz | High. | No. |
| Wi-Fi Direct | 50โ120 | 1080p@60Hz | Average. | No. |
| Google Cast | 100โ200 | 1080p@30Hz | Low. | Yes. |
Critical information for owners of Xiaomi TV 2023-2026: in new models, the classic Miracast is disabled due to the transition to Google TV. Instead, use the screen Translation function in the Settings โ Connected devices menu.
HDMI Connection: Maximum Quality Without Latency
The wired method guarantees stability and supports 4K@60Hz with HDR, but requires an adapter.For modern Xiaomi smartphones (without the 3.5 mm port), you will need:
- ๐ adapter USB-C โ HDMI (for example, Xiaomi USB-C to HDMI 4K).
- ๐บ HDMI-cable (version 2.0 or higher) 4K).
- โก Charging the phone โ the adapter consumes a lot of energy.
Step-by-step:
- Connect the adapter to your phone and the cable to the HDMI 2.0/2.1 port on your TV (usually signed as ARC or HDMI IN).
- On TV, select the signal source: on the remote, click Input (or Source) and select the appropriate one. HDMI-port.
- The phone will be notified "Connected to HDMI." Allow duplicate screens.
- If necessary, change the display mode to Settings โ Screen โ HDMI Mode (available on MIUI 12+).
โ๏ธ Preparation for HDMI-connection
Challenges and solutions:
- ๐ด No image - check the cable (must support) 4K@60Hz) Or try another one. HDMI-port.
- ๐ด Black bars on the sides โ in the TV settings, turn on Just Scan or 1:1 Pixel Mapping.
- ๐ด Phone does not charge โ use an adapter with a port USB-C PD simultaneous-charge.
๐ก
If you have a Xiaomi 13 Pro or newer, you will need an adapter with a DisplayPort Alt Mode chip (such as Anker 565) to output 4K@120Hz.
3. Wireless streaming via Miracast/Wi-Fi Direct
This method works without a router, but requires Miracast support on both devices. Most Xiaomi TVs (except the budget Redmi Smart TVs from 2020-2021) support it out of the box.
How to turn it on on your TV:
- Open Settings โ Connection and Sharing โ Miracast (or Wireless Display).
- Activate the option and wait until the TV is โconnected.โ
How to connect your phone:
- On Xiaomi/Redmi: Settings โ Connection and Sharing โ Screen Broadcast.
- On POCO: Settings โ Additional โ Wireless display.
- Select your TV from the list. Confirm the connection on both devices.
Miracast features on Xiaomi TV:
- ๐น Maximum authorization โ 1080p@60Hz (on Mi TV Q2 2023 โ before 4K@30Hz).
- ๐น Sound delay ~50ms (notable in games, but uncritical for video).
- ๐น If the phone is below 20%, the broadcast may be interrupted.
Why doesn't Miracast find the TV?
4.Google Cast: streaming videos from apps
This method is suitable for streaming content from YouTube, Netflix, Disney+ and other apps with support for Google Cast. Unlike Miracast, only content (not the entire screen) is broadcast here, which saves the phoneโs power.
How to set up:
- Make sure your phone and TV are connected to the same Wi-Fi network (2.4 GHz or 5 GHz โ it doesnโt matter).
- On TV: Settings โ Google โ Cast โ Enable.
- In the app (e.g. YouTube) click the Cast icon (๐บ) and choose your TV.
The limitations of Google Cast:
- ๐ซ Does not support screen duplication (only content from apps).
- ๐ซ Maximum authorization โ 1080p (even if the video 4K).
- ๐ซ Delay up to 200 ms (not suitable for gaming).
If the Cast is not working:
- โ Check that Google Play Services is enabled on TV (Settings) โ Annexes โ System applications).
- โ Update your TV firmware to the latest version (relevant to Mi) TV P1 older).
- โ Turn off the router. AP Isolation (customer isolation).
๐ก
Google Cast is the best choice for streaming video, but it is useless for screen duplication or games. HDMI.
5. Sync through Mi Home (for smart home)
If your Xiaomi TV supports Mi Home (such as Mi TV Master or Mi TV LUX), it can be integrated into the smart home ecosystem.
- ๐ Control TV voice via XiaoAI or Alice.
- ๐ Automatically turn on the TV when you start a game on your phone.
- ๐ Synchronize the Mi lighting LED Desk Lamp with color on the screen.
How to connect:
- Install the Mi Home app on your phone.
- Add the TV to the app: Devices โ Add โ TV.
- Follow the instructions on the screen (scanning will be required) QR-TV-code).
- In the device settings in Mi Home, activate the Sync with other devices option.
Important: This feature only works on Mi TV OS 3.0+ and requires Mi Account on both devices. On Redmi Smart TV and budget models, Mi Home supports only basic commands (on/off, volume).
6. Problem Solving: No sound, lag, communication cliffs
Even with the right setup, you can have typical errors, and here's how to fix them:
๐ No sound when broadcasting:
- ๐น On the phone: In the notification panel, click on the broadcast icon and select Transmit the sound to the TV.
- ๐น On TV: check if the sound is turned off in Settings โ Sound. โ Output device (must be) TV Speaker).
- ๐น For HDMI: In the phone settings, select the mode PCM Instead of Auto (in Settings) โ Sound. โ Sound quality HDMI).
๐ข Strong lags or stuttering videos:
- ๐น Switch from 2.4GHz Wi-Fi to 5GHz (if you use Google Cast).
- ๐น Close the background apps on your phone (especially instant messengers and games).
- ๐น For Miracast: Reduce the broadcast resolution in your phone settings (Settings) โ Screen. โ Wireless display resolution).
๐ซ The connection is constantly breaking:
- ๐น Turn off the energy saving mode on your phone and TV.
- ๐น Get it on the router. IP-device addresses (DHCP Reservation).
- ๐น Update the TV firmware (relevant to Mi) TV 4S older).
๐ก
If the broadcast is interrupted every 5-10 minutes, the problem may be in the router settings. Try disabling Band Steering (combining 2.4 and 5 GHz into one network).
7. iPhone sync with Xiaomi TV
Not all methods are available to iPhone or iPad owners. Here's what works:
- ๐ AirPlay โ only on Xiaomi TV A2 2026 and later (requires firmware with Apple support) TV app).
- ๐ HDMI-Adapter - You need Lightning โ HDMI (For example, Apple Digital AV Adapter).
- ๐ Apps with built-in Cast (YouTube, Netflix) โ work through Google Cast, but with restrictions.
How to set up AirPlay (if supported):
- On TV: Settings โ Apple AirPlay โ Enable.
- On iPhone: Swipe down for the control panel, press Screen Mirroring and select your TV.
Limitations for iOS:
- ๐ซ Miracast and Wi-Fi Direct donโt work with iPhone.
- ๐ซ Delay in broadcasting through HDMI It can reach 100ms (due to Apple restrictions).
- ๐ซ Some apps (such as TikTok or Twitch) block TV broadcasts.